Pith Number

pith:V4YLY662

pith:2019:V4YLY662VMS5DC5QHNSFAY2ECI

not attested not anchored not stored refs pending

H.E.S.S. Monitoring of PKS 2155-304 in 2015 and 2016

Alicja Wierzcholska, Felix Jankowsky, H. E. S. S. Collaboration, Michael Zacharias, Stefan Wagner

arxiv:1908.01232 v1 · 2019-08-03 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V4YLY662VMS5DC5QHNSFAY2ECI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-04T23:51:28.297749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af30bc7bdaab25d18bb03b64506344122e05c5575ffc42f57909e2577a9f91f4

Aliases

arxiv: 1908.01232 · arxiv_version: 1908.01232v1 · doi: 10.48550/arxiv.1908.01232 · pith_short_12: V4YLY662VMS5 · pith_short_16: V4YLY662VMS5DC5Q · pith_short_8: V4YLY662

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/V4YLY662VMS5DC5QHNSFAY2ECI \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: af30bc7bdaab25d18bb03b64506344122e05c5575ffc42f57909e2577a9f91f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f989bd86a04efdaa74028b1db8c8fb0051d76dbd4708e26690ebafc3168ff6ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-03T20:39:18Z",
    "title_canon_sha256": "710727b0829e0cebb82d8f79582ae3e50926f1a893f11443a4d02c870ecb87b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01232",
    "kind": "arxiv",
    "version": 1
  }
}